How severe is CVE-2015-3907?

CVE-2015-3907 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2015-3907 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (74th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2015-3907?

CVE-2015-3907 affects Codeigniter-restserver Project Codeigniter-restserver. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2015-3907?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2015-3907 published?

CVE-2015-3907 was published on 2019-07-03 and last updated on 2026-06-17.

CVE-2015-3907

CVE-2015-3907 is a critical-severity vulnerability in Codeigniter-restserver Project Codeigniter-restserver with a CVSS 3.x base score of 9.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-611.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 7.5
EPSS exploit prediction: 2% (74th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-611
Affected product: Codeigniter-restserver Project Codeigniter-restserver
Published: 2019-07-03
Last modified: 2026-06-17

Description

CodeIgniter Rest Server (aka codeigniter-restserver) 2.7.1 allows XXE attacks.

Frequently asked questions

What is CVE-2015-3907?: CodeIgniter Rest Server (aka codeigniter-restserver) 2.7.1 allows XXE attacks.
How severe is CVE-2015-3907?: CVE-2015-3907 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2015-3907 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (74th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2015-3907?: CVE-2015-3907 affects Codeigniter-restserver Project Codeigniter-restserver. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2015-3907?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2015-3907 published?: CVE-2015-3907 was published on 2019-07-03 and last updated on 2026-06-17.

References

https://kb.hitcon.org/post/127839729207/codeigniter-rest-server-module-xxe-cve-2015-3907

Affected products (1)

cpe:2.3:a:codeigniter-restserver_project:codeigniter-restserver:2.7.1:*:*:*:*:*:*:*

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